| Index: third_party/sqlite/test/minmax.test
|
| ===================================================================
|
| --- third_party/sqlite/test/minmax.test (revision 56608)
|
| +++ third_party/sqlite/test/minmax.test (working copy)
|
| @@ -1,542 +0,0 @@
|
| -# 2001 September 15
|
| -#
|
| -# The author disclaims copyright to this source code. In place of
|
| -# a legal notice, here is a blessing:
|
| -#
|
| -# May you do good and not evil.
|
| -# May you find forgiveness for yourself and forgive others.
|
| -# May you share freely, never taking more than you give.
|
| -#
|
| -#***********************************************************************
|
| -# This file implements regression tests for SQLite library. The
|
| -# focus of this file is testing SELECT statements that contain
|
| -# aggregate min() and max() functions and which are handled as
|
| -# as a special case.
|
| -#
|
| -# $Id: minmax.test,v 1.21 2008/07/08 18:05:26 drh Exp $
|
| -
|
| -set testdir [file dirname $argv0]
|
| -source $testdir/tester.tcl
|
| -
|
| -do_test minmax-1.0 {
|
| - execsql {
|
| - BEGIN;
|
| - CREATE TABLE t1(x, y);
|
| - INSERT INTO t1 VALUES(1,1);
|
| - INSERT INTO t1 VALUES(2,2);
|
| - INSERT INTO t1 VALUES(3,2);
|
| - INSERT INTO t1 VALUES(4,3);
|
| - INSERT INTO t1 VALUES(5,3);
|
| - INSERT INTO t1 VALUES(6,3);
|
| - INSERT INTO t1 VALUES(7,3);
|
| - INSERT INTO t1 VALUES(8,4);
|
| - INSERT INTO t1 VALUES(9,4);
|
| - INSERT INTO t1 VALUES(10,4);
|
| - INSERT INTO t1 VALUES(11,4);
|
| - INSERT INTO t1 VALUES(12,4);
|
| - INSERT INTO t1 VALUES(13,4);
|
| - INSERT INTO t1 VALUES(14,4);
|
| - INSERT INTO t1 VALUES(15,4);
|
| - INSERT INTO t1 VALUES(16,5);
|
| - INSERT INTO t1 VALUES(17,5);
|
| - INSERT INTO t1 VALUES(18,5);
|
| - INSERT INTO t1 VALUES(19,5);
|
| - INSERT INTO t1 VALUES(20,5);
|
| - COMMIT;
|
| - SELECT DISTINCT y FROM t1 ORDER BY y;
|
| - }
|
| -} {1 2 3 4 5}
|
| -
|
| -do_test minmax-1.1 {
|
| - set sqlite_search_count 0
|
| - execsql {SELECT min(x) FROM t1}
|
| -} {1}
|
| -do_test minmax-1.2 {
|
| - set sqlite_search_count
|
| -} {19}
|
| -do_test minmax-1.3 {
|
| - set sqlite_search_count 0
|
| - execsql {SELECT max(x) FROM t1}
|
| -} {20}
|
| -do_test minmax-1.4 {
|
| - set sqlite_search_count
|
| -} {19}
|
| -do_test minmax-1.5 {
|
| - execsql {CREATE INDEX t1i1 ON t1(x)}
|
| - set sqlite_search_count 0
|
| - execsql {SELECT min(x) FROM t1}
|
| -} {1}
|
| -do_test minmax-1.6 {
|
| - set sqlite_search_count
|
| -} {1}
|
| -do_test minmax-1.7 {
|
| - set sqlite_search_count 0
|
| - execsql {SELECT max(x) FROM t1}
|
| -} {20}
|
| -do_test minmax-1.8 {
|
| - set sqlite_search_count
|
| -} {0}
|
| -do_test minmax-1.9 {
|
| - set sqlite_search_count 0
|
| - execsql {SELECT max(y) FROM t1}
|
| -} {5}
|
| -do_test minmax-1.10 {
|
| - set sqlite_search_count
|
| -} {19}
|
| -
|
| -do_test minmax-1.21 {
|
| - execsql {SELECT min(x) FROM t1 WHERE x=5}
|
| -} {5}
|
| -do_test minmax-1.22 {
|
| - execsql {SELECT min(x) FROM t1 WHERE x>=5}
|
| -} {5}
|
| -do_test minmax-1.23 {
|
| - execsql {SELECT min(x) FROM t1 WHERE x>=4.5}
|
| -} {5}
|
| -do_test minmax-1.24 {
|
| - execsql {SELECT min(x) FROM t1 WHERE x<4.5}
|
| -} {1}
|
| -
|
| -do_test minmax-2.0 {
|
| - execsql {
|
| - CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
|
| - INSERT INTO t2 SELECT * FROM t1;
|
| - }
|
| - set sqlite_search_count 0
|
| - execsql {SELECT min(a) FROM t2}
|
| -} {1}
|
| -do_test minmax-2.1 {
|
| - set sqlite_search_count
|
| -} {0}
|
| -do_test minmax-2.2 {
|
| - set sqlite_search_count 0
|
| - execsql {SELECT max(a) FROM t2}
|
| -} {20}
|
| -do_test minmax-2.3 {
|
| - set sqlite_search_count
|
| -} {0}
|
| -
|
| -do_test minmax-3.0 {
|
| - ifcapable subquery {
|
| - execsql {INSERT INTO t2 VALUES((SELECT max(a) FROM t2)+1,999)}
|
| - } else {
|
| - db function max_a_t2 {execsql {SELECT max(a) FROM t2}}
|
| - execsql {INSERT INTO t2 VALUES(max_a_t2()+1,999)}
|
| - }
|
| - set sqlite_search_count 0
|
| - execsql {SELECT max(a) FROM t2}
|
| -} {21}
|
| -do_test minmax-3.1 {
|
| - set sqlite_search_count
|
| -} {0}
|
| -do_test minmax-3.2 {
|
| - ifcapable subquery {
|
| - execsql {INSERT INTO t2 VALUES((SELECT max(a) FROM t2)+1,999)}
|
| - } else {
|
| - db function max_a_t2 {execsql {SELECT max(a) FROM t2}}
|
| - execsql {INSERT INTO t2 VALUES(max_a_t2()+1,999)}
|
| - }
|
| - set sqlite_search_count 0
|
| - ifcapable subquery {
|
| - execsql { SELECT b FROM t2 WHERE a=(SELECT max(a) FROM t2) }
|
| - } else {
|
| - execsql { SELECT b FROM t2 WHERE a=max_a_t2() }
|
| - }
|
| -} {999}
|
| -do_test minmax-3.3 {
|
| - set sqlite_search_count
|
| -} {0}
|
| -
|
| -ifcapable {compound && subquery} {
|
| - do_test minmax-4.1 {
|
| - execsql {
|
| - SELECT coalesce(min(x+0),-1), coalesce(max(x+0),-1) FROM
|
| - (SELECT * FROM t1 UNION SELECT NULL as 'x', NULL as 'y')
|
| - }
|
| - } {1 20}
|
| - do_test minmax-4.2 {
|
| - execsql {
|
| - SELECT y, coalesce(sum(x),0) FROM
|
| - (SELECT null AS x, y+1 AS y FROM t1 UNION SELECT * FROM t1)
|
| - GROUP BY y ORDER BY y;
|
| - }
|
| - } {1 1 2 5 3 22 4 92 5 90 6 0}
|
| - do_test minmax-4.3 {
|
| - execsql {
|
| - SELECT y, count(x), count(*) FROM
|
| - (SELECT null AS x, y+1 AS y FROM t1 UNION SELECT * FROM t1)
|
| - GROUP BY y ORDER BY y;
|
| - }
|
| - } {1 1 1 2 2 3 3 4 5 4 8 9 5 5 6 6 0 1}
|
| -} ;# ifcapable compound
|
| -
|
| -# Make sure the min(x) and max(x) optimizations work on empty tables
|
| -# including empty tables with indices. Ticket #296.
|
| -#
|
| -do_test minmax-5.1 {
|
| - execsql {
|
| - CREATE TABLE t3(x INTEGER UNIQUE NOT NULL);
|
| - SELECT coalesce(min(x),999) FROM t3;
|
| - }
|
| -} {999}
|
| -do_test minmax-5.2 {
|
| - execsql {
|
| - SELECT coalesce(min(rowid),999) FROM t3;
|
| - }
|
| -} {999}
|
| -do_test minmax-5.3 {
|
| - execsql {
|
| - SELECT coalesce(max(x),999) FROM t3;
|
| - }
|
| -} {999}
|
| -do_test minmax-5.4 {
|
| - execsql {
|
| - SELECT coalesce(max(rowid),999) FROM t3;
|
| - }
|
| -} {999}
|
| -do_test minmax-5.5 {
|
| - execsql {
|
| - SELECT coalesce(max(rowid),999) FROM t3 WHERE rowid<25;
|
| - }
|
| -} {999}
|
| -
|
| -# Make sure the min(x) and max(x) optimizations work when there
|
| -# is a LIMIT clause. Ticket #396.
|
| -#
|
| -do_test minmax-6.1 {
|
| - execsql {
|
| - SELECT min(a) FROM t2 LIMIT 1
|
| - }
|
| -} {1}
|
| -do_test minmax-6.2 {
|
| - execsql {
|
| - SELECT max(a) FROM t2 LIMIT 3
|
| - }
|
| -} {22}
|
| -do_test minmax-6.3 {
|
| - execsql {
|
| - SELECT min(a) FROM t2 LIMIT 0,100
|
| - }
|
| -} {1}
|
| -do_test minmax-6.4 {
|
| - execsql {
|
| - SELECT max(a) FROM t2 LIMIT 1,100
|
| - }
|
| -} {}
|
| -do_test minmax-6.5 {
|
| - execsql {
|
| - SELECT min(x) FROM t3 LIMIT 1
|
| - }
|
| -} {{}}
|
| -do_test minmax-6.6 {
|
| - execsql {
|
| - SELECT max(x) FROM t3 LIMIT 0
|
| - }
|
| -} {}
|
| -do_test minmax-6.7 {
|
| - execsql {
|
| - SELECT max(a) FROM t2 LIMIT 0
|
| - }
|
| -} {}
|
| -
|
| -# Make sure the max(x) and min(x) optimizations work for nested
|
| -# queries. Ticket #587.
|
| -#
|
| -do_test minmax-7.1 {
|
| - execsql {
|
| - SELECT max(x) FROM t1;
|
| - }
|
| -} 20
|
| -ifcapable subquery {
|
| - do_test minmax-7.2 {
|
| - execsql {
|
| - SELECT * FROM (SELECT max(x) FROM t1);
|
| - }
|
| - } 20
|
| -}
|
| -do_test minmax-7.3 {
|
| - execsql {
|
| - SELECT min(x) FROM t1;
|
| - }
|
| -} 1
|
| -ifcapable subquery {
|
| - do_test minmax-7.4 {
|
| - execsql {
|
| - SELECT * FROM (SELECT min(x) FROM t1);
|
| - }
|
| - } 1
|
| -}
|
| -
|
| -# Make sure min(x) and max(x) work correctly when the datatype is
|
| -# TEXT instead of NUMERIC. Ticket #623.
|
| -#
|
| -do_test minmax-8.1 {
|
| - execsql {
|
| - CREATE TABLE t4(a TEXT);
|
| - INSERT INTO t4 VALUES('1234');
|
| - INSERT INTO t4 VALUES('234');
|
| - INSERT INTO t4 VALUES('34');
|
| - SELECT min(a), max(a) FROM t4;
|
| - }
|
| -} {1234 34}
|
| -do_test minmax-8.2 {
|
| - execsql {
|
| - CREATE TABLE t5(a INTEGER);
|
| - INSERT INTO t5 VALUES('1234');
|
| - INSERT INTO t5 VALUES('234');
|
| - INSERT INTO t5 VALUES('34');
|
| - SELECT min(a), max(a) FROM t5;
|
| - }
|
| -} {34 1234}
|
| -
|
| -# Ticket #658: Test the min()/max() optimization when the FROM clause
|
| -# is a subquery.
|
| -#
|
| -ifcapable {compound && subquery} {
|
| - do_test minmax-9.1 {
|
| - execsql {
|
| - SELECT max(rowid) FROM (
|
| - SELECT max(rowid) FROM t4 UNION SELECT max(rowid) FROM t5
|
| - )
|
| - }
|
| - } {1}
|
| - do_test minmax-9.2 {
|
| - execsql {
|
| - SELECT max(rowid) FROM (
|
| - SELECT max(rowid) FROM t4 EXCEPT SELECT max(rowid) FROM t5
|
| - )
|
| - }
|
| - } {{}}
|
| -} ;# ifcapable compound&&subquery
|
| -
|
| -# If there is a NULL in an aggregate max() or min(), ignore it. An
|
| -# aggregate min() or max() will only return NULL if all values are NULL.
|
| -#
|
| -do_test minmax-10.1 {
|
| - execsql {
|
| - CREATE TABLE t6(x);
|
| - INSERT INTO t6 VALUES(1);
|
| - INSERT INTO t6 VALUES(2);
|
| - INSERT INTO t6 VALUES(NULL);
|
| - SELECT coalesce(min(x),-1) FROM t6;
|
| - }
|
| -} {1}
|
| -do_test minmax-10.2 {
|
| - execsql {
|
| - SELECT max(x) FROM t6;
|
| - }
|
| -} {2}
|
| -do_test minmax-10.3 {
|
| - execsql {
|
| - CREATE INDEX i6 ON t6(x);
|
| - SELECT coalesce(min(x),-1) FROM t6;
|
| - }
|
| -} {1}
|
| -do_test minmax-10.4 {
|
| - execsql {
|
| - SELECT max(x) FROM t6;
|
| - }
|
| -} {2}
|
| -do_test minmax-10.5 {
|
| - execsql {
|
| - DELETE FROM t6 WHERE x NOT NULL;
|
| - SELECT count(*) FROM t6;
|
| - }
|
| -} 1
|
| -do_test minmax-10.6 {
|
| - execsql {
|
| - SELECT count(x) FROM t6;
|
| - }
|
| -} 0
|
| -ifcapable subquery {
|
| - do_test minmax-10.7 {
|
| - execsql {
|
| - SELECT (SELECT min(x) FROM t6), (SELECT max(x) FROM t6);
|
| - }
|
| - } {{} {}}
|
| -}
|
| -do_test minmax-10.8 {
|
| - execsql {
|
| - SELECT min(x), max(x) FROM t6;
|
| - }
|
| -} {{} {}}
|
| -do_test minmax-10.9 {
|
| - execsql {
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - INSERT INTO t6 SELECT * FROM t6;
|
| - SELECT count(*) FROM t6;
|
| - }
|
| -} 1024
|
| -do_test minmax-10.10 {
|
| - execsql {
|
| - SELECT count(x) FROM t6;
|
| - }
|
| -} 0
|
| -ifcapable subquery {
|
| - do_test minmax-10.11 {
|
| - execsql {
|
| - SELECT (SELECT min(x) FROM t6), (SELECT max(x) FROM t6);
|
| - }
|
| - } {{} {}}
|
| -}
|
| -do_test minmax-10.12 {
|
| - execsql {
|
| - SELECT min(x), max(x) FROM t6;
|
| - }
|
| -} {{} {}}
|
| -
|
| -
|
| -do_test minmax-11.1 {
|
| - execsql {
|
| - CREATE INDEX t1i2 ON t1(y,x);
|
| - SELECT min(x) FROM t1 WHERE y=5;
|
| - }
|
| -} {16}
|
| -do_test minmax-11.2 {
|
| - execsql {
|
| - SELECT max(x) FROM t1 WHERE y=5;
|
| - }
|
| -} {20}
|
| -do_test minmax-11.3 {
|
| - execsql {
|
| - SELECT min(x) FROM t1 WHERE y=6;
|
| - }
|
| -} {{}}
|
| -do_test minmax-11.4 {
|
| - execsql {
|
| - SELECT max(x) FROM t1 WHERE y=6;
|
| - }
|
| -} {{}}
|
| -do_test minmax-11.5 {
|
| - execsql {
|
| - SELECT min(x) FROM t1 WHERE y=1;
|
| - }
|
| -} {1}
|
| -do_test minmax-11.6 {
|
| - execsql {
|
| - SELECT max(x) FROM t1 WHERE y=1;
|
| - }
|
| -} {1}
|
| -do_test minmax-11.7 {
|
| - execsql {
|
| - SELECT min(x) FROM t1 WHERE y=0;
|
| - }
|
| -} {{}}
|
| -do_test minmax-11.8 {
|
| - execsql {
|
| - SELECT max(x) FROM t1 WHERE y=0;
|
| - }
|
| -} {{}}
|
| -do_test minmax-11.9 {
|
| - execsql {
|
| - SELECT min(x) FROM t1 WHERE y=5 AND x>=17.5;
|
| - }
|
| -} {18}
|
| -do_test minmax-11.10 {
|
| - execsql {
|
| - SELECT max(x) FROM t1 WHERE y=5 AND x>=17.5;
|
| - }
|
| -} {20}
|
| -
|
| -do_test minmax-12.1 {
|
| - execsql {
|
| - CREATE TABLE t7(a,b,c);
|
| - INSERT INTO t7 SELECT y, x, x*y FROM t1;
|
| - INSERT INTO t7 SELECT y, x, x*y+1000 FROM t1;
|
| - CREATE INDEX t7i1 ON t7(a,b,c);
|
| - SELECT min(a) FROM t7;
|
| - }
|
| -} {1}
|
| -do_test minmax-12.2 {
|
| - execsql {
|
| - SELECT max(a) FROM t7;
|
| - }
|
| -} {5}
|
| -do_test minmax-12.3 {
|
| - execsql {
|
| - SELECT max(a) FROM t7 WHERE a=5;
|
| - }
|
| -} {5}
|
| -do_test minmax-12.4 {
|
| - execsql {
|
| - SELECT min(b) FROM t7 WHERE a=5;
|
| - }
|
| -} {16}
|
| -do_test minmax-12.5 {
|
| - execsql {
|
| - SELECT max(b) FROM t7 WHERE a=5;
|
| - }
|
| -} {20}
|
| -do_test minmax-12.6 {
|
| - execsql {
|
| - SELECT min(b) FROM t7 WHERE a=4;
|
| - }
|
| -} {8}
|
| -do_test minmax-12.7 {
|
| - execsql {
|
| - SELECT max(b) FROM t7 WHERE a=4;
|
| - }
|
| -} {15}
|
| -do_test minmax-12.8 {
|
| - execsql {
|
| - SELECT min(c) FROM t7 WHERE a=4 AND b=10;
|
| - }
|
| -} {40}
|
| -do_test minmax-12.9 {
|
| - execsql {
|
| - SELECT max(c) FROM t7 WHERE a=4 AND b=10;
|
| - }
|
| -} {1040}
|
| -do_test minmax-12.10 {
|
| - execsql {
|
| - SELECT min(rowid) FROM t7;
|
| - }
|
| -} {1}
|
| -do_test minmax-12.11 {
|
| - execsql {
|
| - SELECT max(rowid) FROM t7;
|
| - }
|
| -} {40}
|
| -do_test minmax-12.12 {
|
| - execsql {
|
| - SELECT min(rowid) FROM t7 WHERE a=3;
|
| - }
|
| -} {4}
|
| -do_test minmax-12.13 {
|
| - execsql {
|
| - SELECT max(rowid) FROM t7 WHERE a=3;
|
| - }
|
| -} {27}
|
| -do_test minmax-12.14 {
|
| - execsql {
|
| - SELECT min(rowid) FROM t7 WHERE a=3 AND b=5;
|
| - }
|
| -} {5}
|
| -do_test minmax-12.15 {
|
| - execsql {
|
| - SELECT max(rowid) FROM t7 WHERE a=3 AND b=5;
|
| - }
|
| -} {25}
|
| -do_test minmax-12.16 {
|
| - execsql {
|
| - SELECT min(rowid) FROM t7 WHERE a=3 AND b=5 AND c=1015;
|
| - }
|
| -} {25}
|
| -do_test minmax-12.17 {
|
| - execsql {
|
| - SELECT max(rowid) FROM t7 WHERE a=3 AND b=5 AND c=15;
|
| - }
|
| -} {5}
|
| -
|
| -
|
| -
|
| -
|
| -finish_test
|
|
|